# Error/segfault in basic test of CUDA-aware MPI

**URL:** https://discourse.julialang.org/t/error-segfault-in-basic-test-of-cuda-aware-mpi/31755
**Category:** Julia at Scale
**Tags:** question
**Created:** [December 2, 2019, 2:27pm UTC](https://discourse.julialang.org/t/error-segfault-in-basic-test-of-cuda-aware-mpi/31755 "2019-12-02T14:27:48Z")
**Posts on this page:** 1
**Showing post:** 6

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### Author: ![samo](https://sea2.discourse-cdn.com/julialang/user_avatar/discourse.julialang.org/samo/32/35398_2.png) [@samo](https://discourse.julialang.org/u/samo)
#### Post date: [January 28, 2020, 6:04pm UTC](https://discourse.julialang.org/t/error-segfault-in-basic-test-of-cuda-aware-mpi/31755/6 "2020-01-28T18:04:48Z")

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Thanks @simonbyrne. I am back to the issue of getting CUDA-aware MPI to work with cray-mpich. Thanks again for the OpenMPI solution at last minute before the AGU conference!

> The only thing I can think of is to check that Julia and MPICH are using the same CUDA version?

How would you suggest to check that?

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